Home / 721,777.11-1,082,173.59-366,105.30

Finding the Fourth Proportional to 721,777.11, 1,082,173.59 and 366,105.30

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Solution

The fourth proportional to 721,777.11, 1,082,173.59 and 366,105.30 is: 548,908.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,777.11 : 1,082,173.59 = 366,105.30 : x
  2. Step 2: Convert to fraction form
    721,777.11/1,082,173.59 = 366,105.30/x
  3. Step 3: Cross multiply
    721,777.11x = 1,082,173.59 × 366,105.30
  4. Step 4: Simplify right side
    721,777.11x = 396,189,486,819.03
  5. Step 5: Solve for x
    x = 396,189,486,819.03/721,777.11
  6. Step 6: Final answer
    x = 548,908.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.